Astronomers have detected oxygen in the most distant known galaxy ever observed, a discovery that is forcing scientists to ...

Every element in the periodic table is represented by a unique chemical symbol, like O for Oxygen or Mg for Magnesium.Chemical formulas represent compounds or elements where more than one atom are ...

Healthy individuals take in approximately 21% oxygen from the air they breathe, says Boyer. At that level, blood is almost completely (99%) saturated, meaning there is no need for additional oxygen.

‘What oxygen is to the lungs, such is the hope to the meaning of life.’ This is what Emil Brunner, a Swiss theologian, once ...